Home / 5,654.36-7,802.96-3,136.48

Finding the Fourth Proportional to 5,654.36, 7,802.96 and 3,136.48

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Solution

The fourth proportional to 5,654.36, 7,802.96 and 3,136.48 is: 4,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.36 : 7,802.96 = 3,136.48 : x
  2. Step 2: Convert to fraction form
    5,654.36/7,802.96 = 3,136.48/x
  3. Step 3: Cross multiply
    5,654.36x = 7,802.96 × 3,136.48
  4. Step 4: Simplify right side
    5,654.36x = 24,473,827.98
  5. Step 5: Solve for x
    x = 24,473,827.98/5,654.36
  6. Step 6: Final answer
    x = 4,328.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.